Find the LCM of the set of numbers.8, 56
A. 448
B. 56
C. 64
D. 8
Answer: B
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Solve the problem.The solution set of the system y1 = -x + 5 and y2 = -2x + 7 is {(2, 3)}. Using slopes and y-intercepts, determine which of the two calculator-generated screens, left or right, is the appropriate one for this system.
A. Left B. Right C. Neither is correct. D. Both could be correct.
Compute AB, if possible.A = 
and B = 
A. 
B. 
C. 
D. not possible
Estimate an answer to the problem.An advertisement states that television sets are on sale at B&G Electronics. The sale prices are: 
set, $147.99; 
set, $208.95; 
set, $231.99; 27-inch set, $289.97; 
set, $519.97. Estimate the approximate number of 
style="vertical-align: -4.0px;" /> sets that can be bought for $11,850. A. 20 B. 80 C. 180 D. 90
Solve the system of equations using substitution.
A. x = 5, y = 4; x = 4, y = 5 or (5, 4), (4, 5) B. x = 10, y = 2; x = 2, y =10 or (10, 2), (2, 10) C. x = 6, y = 3; x = 3, y = 6 or (6, 3), (3, 6) D. x = 20, y = 1; x = 1, y = 20 or (20, 1), (1, 20)